Ladbrokes and Neds are run by same company and offers similar bonus. Ladbrokes has great user interface than Neds while they use same underlying software.

First deposit bonus: Get 200% on your first deposit
Next deposit bonus: Get 100% on your next deposit
Sports bonus: Have a 3 leg multi and miss one leg and get a free bet
Racing bonus: If your horse runs 2nd or 3rd get a free bet
Odds bonus: Odds boost and selected promotions by sport
Powerplay: Yes

Best Odds Boost